Sheet dispenser



FIG. 1 is a perspective view of a sheet dispenser showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view, the rear view being identical thereto;

FIG. 4 is a side elevational view, the opposite side being identical thereto; and,

FIG. 5 is a bottom plan view thereof.

The structure depicted by means of broken lines has been shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sheet dispenser, as shown and described. 